Clinical Tip
Compare specifications above to choose the best system for your clinical case.
Specifications
| — | E-Flex Gold | ZenFlex |
|---|---|---|
| Manufacturer | Eighteeth | Kerr Dental |
| Alloy | Control Memory NiTi (gold heat-treated) | Heat-Treated NiTi (Controlled Memory) |
| Heat Treatment | Gold Heat-Treated | CM-Wire |
| Motion | Continuous Rotation | Continuous Rotation |
| Files | 9 | 10 |
| Taper | Variable | 4%, 6% |
| Cross-section | Not specified | Triangular |
| Speed | 300–350 RPM | 500 RPM |
| Torque | 2.5–3 Ncm | 1–3.5 Ncm |
| Use Type | Single-use | Single-use |
Best For
E-Flex Gold
cost-effective gold heat-treated rotary systemintegrated workflow (orifice opener + glider + shaping in one family)single uniform speed/torque setting (350 RPM / 2 Ncm)
ZenFlex
minimally invasive shapingcontrolled-memory flexibilitydual taper strategy (.04/.06)
Key Features
E-Flex Gold
Gold heat-treated CM wire with integrated orifice opener (17/.08) and glider (19/.02) — variable pitch design with non-cutting safety tip
ZenFlex
Violet oxide surface with 1mm flute diameter for minimally invasive shaping and excellent flexibility